Environment nonprofits in Ohio
Environment nonprofits in Ohio. Browse 961 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Packard Park Greenhouse Growers Inc
EIN 994183882 · Headquarters: Warren, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Parkland Beautification & Improvment Fdn of Gallia County
EIN 311588615 · Headquarters: GALLIPOLIS, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Partnerhip Today Providing for Tomorrow Inc
EIN 050564175 · Headquarters: WESTLAKE, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Partners for Clean Streams
EIN 203463367 · Headquarters: PERRYSBURG, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- People for Parks Inc
EIN 341575000 · Headquarters: Fremont, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Peterson Park Inc
EIN 203022710 · Headquarters: POLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Plan Curtail
EIN 811240356 · Headquarters: Yellow Springs, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Plant for the Future
EIN 991693108 · Headquarters: Cleveland Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Plantscape Industry Alliance
EIN 330390791 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Plastics Research Council Incorporated
EIN 331548212 · Headquarters: TERRACE PARK, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Polish Womens Alliance of America
EIN 363486684 · Headquarters: Beachwood, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Polygonia Foundation
EIN 921875751 · Headquarters: Rockbridge, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Portage County Master Gardeners
EIN 364827833 · Headquarters: Ravenna, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Portage River Association Inc
EIN 392991468 · Headquarters: Oak Harbor, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Powell Area Garden Club
EIN 311325849 · Headquarters: Powell, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Power a Clean Future Ohio
EIN 921653526 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Poww-protecting Our Water Ways
EIN 300353431 · Headquarters: Piqua, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Preservation Parks Foundation
EIN 832234653 · Headquarters: SUNBURY, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Preserve Burnet Woods Inc
EIN 832811628 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Preserve Scarborough Woods Inc
EIN 872917024 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Preserve the Valley Gateway Communi Ty Partnership
EIN 393838575 · Headquarters: AKRON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Price Hill Land Foundation
EIN 311325079 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Program Managers Association
EIN 311421604 · Headquarters: Canton, OH, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Project 27
EIN 872474054 · Headquarters: Youngstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Badass
EIN 475072402 · Headquarters: Chillicothe, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Ocean
EIN 271813271 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Projects Inc
EIN 352183570 · Headquarters: BUCYRUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Proliferators
EIN 991406144 · Headquarters: Canal Fulton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Prolific Achievers Academy
EIN 874348573 · Headquarters: Oakwood, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Property Owners Want Equal Rights
EIN 208324337 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Protect Geauga Parks
EIN 472051989 · Headquarters: Novelty, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Protect Our Water and Environment for Residents Council
EIN 454902124 · Headquarters: East Canton, OH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Providing Oberlin with Efficiency Responsibly
EIN 272327255 · Headquarters: OBERLIN, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pure Water Access Project Inc
EIN 273409365 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Purple Stepping Stones
EIN 474179833 · Headquarters: Miamisburg, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Put-in-bay Garden Club Inc
EIN 452706077 · Headquarters: Put in Bay, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Raccoon Creek Partnership Inc
EIN 593840266 · Headquarters: Athens, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ramser Arboretum
EIN 311470524 · Headquarters: MOUNT VERNON, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Reduce Plastic Waste in Rivers & Lakes
EIN 881822200 · Headquarters: Sylvania, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Reef Expeditions
EIN 472750044 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Region 1 of the Ohio Association of Garden Clubs
EIN 301198237 · Headquarters: BRYAN, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Regional Coalition for Ohio Valley Environmental Restoration
EIN 311555616 · Headquarters: Marietta, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Release Yoga Community Garden Inc
EIN 475450814 · Headquarters: Akron, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ret 3 Job Corp Inc
EIN 810593536 · Headquarters: Cleveland, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Reuse Centers
EIN 332982556 · Headquarters: Cincinnati, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Reuse Institute
EIN 473198912 · Headquarters: Dayton, OH, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Reuse USA Incorporated
EIN 814624688 · Headquarters: Hilliard, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rieck Center for Habitat Studies
EIN 341793135 · Headquarters: Bowling Green, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rising Appalachia
EIN 811057383 · Headquarters: MILLFIELD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- River Institute
EIN 050538384 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- River Rangers International Inc
EIN 831825535 · Headquarters: Heath, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- River Sprouts Inc
EIN 474517282 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rivers to Wildlands Inc
EIN 043689812 · Headquarters: West Union, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Rivers Unlimited Inc
EIN 310866535 · Headquarters: Harrison, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Riverside Ob-gyn Resident Research Fund
EIN 237234287 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Riverspan Regional Art Alliance Inc
EIN 352354298 · Headquarters: CINCINNATI, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Rocky Fork Watershed Protection Task Force
EIN 311404203 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990
- Rocky River Watershed Council Inc
EIN 208799925 · Headquarters: Cleveland, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Root Cause Inc
EIN 900675600 · Headquarters: Carlisle, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rooted in Trees
EIN 845101472 · Headquarters: Chardon, OH, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990
- Rooted in Trees Ohio
EIN 933163392 · Headquarters: KIRTLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Roseland Community Gardens
EIN 872325968 · Headquarters: COLUMBUS, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ross County Conservation League Inc
EIN 310903457 · Headquarters: CHILLICOTHE, OH, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Run for the Trails Inc
EIN 262778613 · Headquarters: Seville, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Rust Belt Fibershed
EIN 881482880 · Headquarters: Medina, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Salem Preservation Society
EIN 341741697 · Headquarters: SALEM, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sandusky and Ottawa County Master Gardener Association
EIN 202327245 · Headquarters: Fremont, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sandusky Bay Area Chefs Association
EIN 341883777 · Headquarters: MILAN, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Sandusky Bay Charter Chapter of the American Business Womens Assn
EIN 237331370 · Headquarters: SANDUSKY, OH, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Save Hartford Twp Llc
EIN 872262472 · Headquarters: CENTERBURG, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Ohio Bees
EIN 931656333 · Headquarters: MASSILLON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Ohio Parks
EIN 994401540 · Headquarters: Hilliard, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Save Our Beautiful Lake
EIN 830830911 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Save Our Springs
EIN 311066875 · Headquarters: MAGNETIC SPRINGS, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Save the Bays
EIN 464084166 · Headquarters: TERRACE PARK, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Save the Trees Inc
EIN 311438962 · Headquarters: cincinnati, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Schools for Water
EIN 461212875 · Headquarters: Mentor, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Science Alliance for Valuing the Environment
EIN 341655557 · Headquarters: Sylvania, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Scioto River Valley Federation
EIN 311338334 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Scioto River Watch Tt
EIN 311297016 · Headquarters: Kenton, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Scioto Watershed Action Group
EIN 334710185 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Second Chance Wildlife Rescue Association
EIN 311347679 · Headquarters: Fayetteville, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Secore International Inc
EIN 475385160 · Headquarters: NORTH CANTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seeds to Trees Inc
EIN 841990368 · Headquarters: LOVELAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Shades of Blue Police Association
EIN 852086670 · Headquarters: Youngstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shaker Lakes Garden Club
EIN 346570143 · Headquarters: CLEVELAND HEIGHTS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Shaker Lakes Regional Nature Center Dba Nature Center at Shaker Lakes
EIN 346576569 · Headquarters: SHAKER HEIGHTS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shaker Lakes Regional Nature Center Endowment Foundation
EIN 341381162 · Headquarters: SHAKER HEIGHTS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shared Power Network
EIN 463524738 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Shawnee Nature Club Inc
EIN 208705392 · Headquarters: Portsmouth, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Shelly Acres Community Water Association Inc
EIN 341219201 · Headquarters: MANSFIELD, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sherwood Forest Inc
EIN 310586162 · Headquarters: DAYTON, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Shomrei Olam
EIN 821323358 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sidestreams Foundation Inc
EIN 452635688 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Simon Kenton Pathfinders
EIN 311575844 · Headquarters: Urbana, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smarter Green
EIN 881112356 · Headquarters: Batavia, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Park Preservations Works Inc
EIN 311110078 · Headquarters: Dayton, OH, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Southern Ohio Diversification Initiative
EIN 311566951 · Headquarters: Piketon, Ohio, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Southern Ohio Forestland Association
EIN 311460336 · Headquarters: Piketon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Southern Wayne Advisory Council Inc
EIN 814695528 · Headquarters: IRONTON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N